A storage battery monitoring method receives identification information indicating a storage battery system and characteristic data of a storage battery, the characteristic data including history information which indicates charging and discharging history of the storage battery; determines, based on the received history information, a deterioration model corresponding to the storage battery from among deterioration models managed in a database, the deterioration models each indicating a relationship between a state of health and a number of charging and discharging cycles performed by the battery as indicated by the charging and discharging history; generates control data for suppressing deterioration of the storage battery at a predetermined point in time according to the corresponding deterioration model; and transmits the generated control data to cause the storage battery system to control the storage battery.
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1. A storage battery monitoring method comprising: receiving, via a communication network, identification information indicating a storage battery system and characteristic data of at least one storage battery, the storage battery system including the at least one storage battery, the characteristic data including history information which indicates charging and discharging history of the at least one storage battery; determining, based on the received history information, a deterioration model corresponding to the at least one storage battery from among deterioration models managed in a database, the deterioration models each indicating a relationship between a state of health and a number of charging and discharging cycles performed by the battery as indicated by the charging and discharging history; generating control data for suppressing deterioration of the at least one storage battery at a predetermined point in time according to the corresponding deterioration model; and transmitting, via the communication network, the generated control data to the storage battery system to cause the storage battery system to control the at least one storage battery based on the transmitted control data, wherein the determining of the deterioration model corresponding to the at least one storage battery includes: obtaining a deterioration pattern of the at least one storage battery from the history information, the deterioration pattern indicating a relationship between a state of health and a number of charging and discharging of the at least one storage battery, calculating respective similarity levels between the obtained deterioration pattern of the at least one of storage battery and each of the deterioration models managed in the database, and determining, based on the similarity levels, the deterioration model corresponding to the at least one storage battery, and wherein calculating of respective similarity levels includes calculating a sum of residual squares of an SOH of each deterioration model every time charge and discharge are performed a number of times, and a deterioration model having the smallest sum of the residual squares is determined as a deterioration model corresponding to the at least one storage battery.
A method for monitoring battery health in a storage battery system. The method receives battery identification and characteristic data (including charging/discharging history) via a network. Based on the history, it selects a "deterioration model" from a database. These models link battery health to charging/discharging cycles. The model with the smallest sum of residual squares is determined as a deterioration model corresponding to the storage battery. Based on the chosen model, control data is generated to slow battery deterioration at a specific point in time. This control data is then sent back to the battery system via the network to adjust battery operation. Deterioration pattern is obtained and used to calculate the similarity between deterioration pattern of the battery and the deterioration models managed in the database.
2. The storage battery monitoring method according to claim 1 , wherein the characteristic data further includes at least one selected from output power, a voltage, a temperature, and a state of charge of the at least one storage battery.
The battery monitoring method described above (receiving battery data, choosing a deterioration model, and sending control data) includes characteristic data that further consists of output power, voltage, temperature, and/or state of charge.
3. The storage battery monitoring method according to claim 1 , wherein the control data is for decreasing an amount of charge to be returned to the at least one storage battery when charging, in the case where the deterioration model corresponding to the at least one storage battery indicates a state of health less than a predetermined threshold value.
In the battery monitoring method (receiving battery data, choosing a deterioration model, and sending control data), the control data reduces the amount of charge returned to the battery during charging if the battery's deterioration model indicates that its health is below a certain threshold. This helps to prolong battery life.
4. The storage battery monitoring method according to claim 1 , wherein the control data is for decreasing output power of the at least one storage battery, in the case where the deterioration model corresponding to the at least one storage battery indicates a state of health less than a predetermined threshold value.
In the battery monitoring method (receiving battery data, choosing a deterioration model, and sending control data), the control data reduces the battery's output power if the deterioration model suggests its health is below a certain threshold, preserving its remaining capacity.
5. The storage battery monitoring method according to claim 1 , further comprising registering, into the database, a new deterioration model which is created based on the received history information, in the case where the deterioration models managed in the database include no deterioration model similar to a deterioration pattern of the at least one storage battery.
The battery monitoring method (receiving battery data, choosing a deterioration model, and sending control data) can also add new deterioration models to the database. If the battery's deterioration pattern doesn't match any existing models, a new model based on its history is created and stored.
6. The storage battery monitoring method according to claim 1 , comprising: determining, based on the received characteristic data of the at least one storage battery, whether or not the at least one storage battery is in an abnormal state, using error models managed in the database, the error models indicating characteristics of other storage batteries which are in the abnormal state; and transmitting, via the communication network, abnormality information to the storage battery system when the at least one storage battery is in the abnormal state.
The battery monitoring method (receiving battery data, choosing a deterioration model, and sending control data) also checks for abnormal battery states using error models stored in a database. These models define the characteristics of batteries in abnormal states. If the battery is determined to be abnormal, an alert is sent to the battery system.
7. The storage battery monitoring method according to claim 1 , wherein the storage battery system includes a plurality of the storage batteries, the method comprising transmitting the control data about each of the storage batteries.
In the battery monitoring method (receiving battery data, choosing a deterioration model, and sending control data), if the battery system contains multiple batteries, control data is generated and transmitted for each individual battery.
8. The storage battery monitoring method according to claim 7 , wherein the control data is for increasing output power for a less-deteriorated storage battery among the storage batteries and decreasing output power for a more-deteriorated storage battery among the storage batteries.
In the multi-battery monitoring method (receiving battery data for each battery, choosing a deterioration model for each, and sending control data for each), control data increases the output power of healthier batteries and decreases the output power of more deteriorated batteries.
9. The storage battery monitoring method according to claim 1 , wherein the storage battery system is one of a plurality of the storage battery systems, the method comprising: generating the control data about each of the storage battery systems; and transmitting the control data to each of the storage battery systems.
In the battery monitoring method (receiving battery data, choosing a deterioration model, and sending control data), when multiple battery systems are involved, control data is generated and sent for each battery system.
10. The storage battery monitoring method according to claim 1 , wherein the characteristic data include information about a state of health of the at least one storage battery.
The battery monitoring method described above (receiving battery data, choosing a deterioration model, and sending control data) includes characteristic data that includes the state of health for the at least one storage battery.
11. The storage battery monitoring method according to claim 1 , wherein the deterioration models each are determined by a predetermined method.
In the battery monitoring method (receiving battery data, choosing a deterioration model, and sending control data), each deterioration model is determined by a specific, pre-defined method.
12. The storage battery monitoring method according to claim 1 , wherein the deterioration models each indicate the relationship under a different operating condition of the at least one storage battery.
The battery monitoring method (receiving battery data, choosing a deterioration model, and sending control data) has different deterioration models that each represent the relationship between battery health and charge cycles under different operating conditions.
13. The storage battery monitoring method according to claim 1 , wherein the deterioration models each indicate the relationship under a different operation environment of the at least one storage battery.
The battery monitoring method (receiving battery data, choosing a deterioration model, and sending control data) has different deterioration models, where each represents the relationship between battery health and charge cycles in different operating environments.
14. The storage battery monitoring method according to claim 1 , wherein the control data for deactivating the at least one storage battery is transmitted in the case where the deterioration model corresponding to the at least one storage battery indicates a state of health less than a predetermined value.
In the battery monitoring method (receiving battery data, choosing a deterioration model, and sending control data), if the battery's deterioration model indicates its health is below a critical value, control data is sent to deactivate the battery completely.
15. A storage battery monitoring system comprising: a storage on which a database of deterioration models are recorded; and control circuitry configured to execute instruction to receive, via a communication network, identification information indicating storage battery system and characteristic data of at least one storage battery, the storage battery system including the at least one storage battery, the characteristic data including history information which indicates charging and discharging history of the at least one storage battery, determine, based on the received history information, a deterioration model corresponding to the at least one storage battery from among deterioration models managed in a database, the deterioration models each indicating a relationship between a state of health and a number of charging and discharging cycles performed by the battery as indicated by the charging and discharging history, generate control data for suppressing deterioration of the at least one storage battery at a predetermined point in time according to the corresponding deterioration model, and transmit, via the communication network, the generated control data to the storage battery system to cause the storage battery system to control the at least one storage battery based on the transmitted control data, wherein the storage battery monitoring system further configured to: obtain a deterioration pattern of the at least one storage battery from the history information, the deterioration pattern indicating a relationship between a state of health and a number of charging and discharging of the at least one storage battery, calculate respective similarity levels between the obtained deterioration pattern of the at least one of storage battery and each of the deterioration models managed in the database, and determine, based on the similarity levels, the deterioration model corresponding to the at least one storage battery, and wherein the respective similarity levels are calculated by calculating a sum of residual squares of an SOH of each deterioration model every time charge and discharge are performed a number of times, and a deterioration model having the smallest sum of the residual squares is determined as a deterioration model corresponding to the at least one storage battery.
A storage battery monitoring system is designed to predict and mitigate battery deterioration in storage battery systems. The system addresses the challenge of accurately assessing battery health and optimizing usage to extend lifespan. It includes a database of deterioration models, each defining the relationship between a battery's state of health (SOH) and its charging/discharging cycles. The system receives identification and characteristic data for a battery system, including charging/discharging history, and analyzes this data to determine the most suitable deterioration model. This involves extracting a deterioration pattern from the battery's history, calculating similarity levels between this pattern and the stored models, and selecting the model with the smallest sum of residual squares for SOH predictions. Based on the selected model, the system generates control data to suppress deterioration at a predetermined time and transmits it to the battery system for implementation. The control data adjusts battery operations to minimize degradation, ensuring prolonged performance. The system dynamically adapts to different battery behaviors by matching historical data to the most accurate deterioration model, improving prediction accuracy and control effectiveness.
16. A storage battery system for use in the storage battery monitoring system according to claim 15 .
A storage battery system that is used in conjunction with the battery monitoring system above.
17. The storage battery monitoring system according to claim 15 , wherein the control circuitry is configured to execute the instruction to determine the deterioration model corresponding to the at least one storage battery by: obtaining a deterioration pattern of the at least one storage battery from the history information, the deterioration pattern indicating a relationship between a state of health and a number of charging and discharging of the at least one storage battery; and comparing the obtained deterioration pattern to each of the deterioration models managed in the database.
In the battery monitoring system (storage with deterioration models, controller receiving battery data and sending control data), the controller determines the appropriate deterioration model by obtaining a deterioration pattern of the battery from its history data, then comparing that pattern against each of the deterioration models in the database.
18. The storage battery monitoring system according to claim 15 , wherein the control circuitry is configured to execute the instruction to determine the deterioration model corresponding to the at least one storage battery by: obtaining a deterioration pattern of the at least one storage battery from the history information, the deterioration pattern indicating a relationship between a state of health and a number of charging and discharging of the at least one storage battery; calculating respective similarity levels between the obtained deterioration pattern of the at least one of storage battery and each of the deterioration models managed in the database; and determining, based on the similarity levels, the deterioration model corresponding to the at least one storage battery.
The battery monitoring system's (storage with deterioration models, controller receiving battery data and sending control data) controller determines the deterioration model by obtaining the battery's deterioration pattern from its charge/discharge history, calculating similarity levels between the obtained pattern and the deterioration models in the database, and then selecting the model with the highest similarity.
19. The storage battery monitoring system according to claim 15 , wherein the characteristic data include information about a state of health of the at least one storage battery.
In the battery monitoring system (storage with deterioration models, controller receiving battery data and sending control data), the controller receives data including the state of health of the battery.
20. The storage battery monitoring system according to claim 15 , wherein the control data for deactivating the at least one storage battery is transmitted in the case where the deterioration model corresponding to the at least one storage battery indicates a state of health less than a predetermined value.
In the battery monitoring system (storage with deterioration models, controller receiving battery data and sending control data), the system will send control data to deactivate the battery if its deterioration model indicates its health has fallen below a predetermined threshold.
21. A storage battery system comprising: at least one storage battery; a sensor configured to detect a state of the at least one storage battery; and control circuitry configured to (i) transmit, to a storage battery monitoring system connected via a communication network, identification information indicating the storage battery system and characteristic data of at least one storage battery, the characteristic data including history information which indicates charging and discharging history of the at least one storage battery, (ii) receive, from the storage battery monitoring system via the communication network, control data for suppressing deterioration of the at least one storage battery at a predetermined point in time according to a deterioration model corresponding to the at least one storage battery, and (iii) control the at least one storage battery based on the received control data, wherein the storage battery monitoring system determines, based on the history information, the deterioration model corresponding to the at least one storage battery from among deterioration models managed in a database, the deterioration models each indicating a relationship between a state of health and a number of charging and discharging cycles performed by the battery as indicated by the charging and discharging history, and the control data are for decreasing a voltage applied to the at least one storage battery when the at least storage battery is charging or decreasing a current passing through the at least one storage battery when the at least one storage battery discharging, wherein the storage battery monitoring system is further configured to: obtain a deterioration pattern of the at least one storage battery from the history information, the deterioration pattern indicating a relationship between a state of health and a number of charging and discharging of the at least one storage battery, calculate respective similarity levels between the obtained deterioration pattern of the at least one of storage battery and each of the deterioration models managed in the database, and determine, based on the similarity levels, the deterioration model corresponding to the at least one storage battery, and wherein the respective similarity levels are calculated by calculating a sum of residual squares of an SOH of each deterioration model every time charge and discharge are performed a number of times, and a deterioration model having the smallest sum of the residual squares is determined as a deterioration model corresponding to the at least one storage battery.
A battery system includes a battery, a sensor to measure its state, and a controller. The controller sends the battery system's ID and battery data (including charge/discharge history) to a remote battery monitoring system over a network. It then receives control data from the monitoring system designed to limit battery deterioration. Based on that control data, the controller adjusts the battery's operation, such as reducing voltage during charging or current during discharging. The remote monitoring system determines a deterioration model (linking battery health to charge/discharge cycles) from the database. Deterioration pattern is obtained and used to calculate the similarity between deterioration pattern of the battery and the deterioration models managed in the database. The model with the smallest sum of residual squares is determined as a deterioration model corresponding to the storage battery.
22. The storage battery system according to claim 21 , wherein the characteristic data include information about a state of health of the at least one storage battery.
In the battery system (battery, sensor, controller sending data and receiving control signals), the data transmitted to the monitoring system includes information about the battery's current state of health.
23. The storage battery system according to claim 21 , wherein the control data for deactivating the at least one storage battery is transmitted in the case where the deterioration model corresponding to the at least one storage battery indicates a state of health less than a predetermined value.
In the battery system (battery, sensor, controller sending data and receiving control signals), the monitoring system sends control data to deactivate the battery if the battery's deterioration model suggests that its health has fallen below a critical level.
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March 18, 2013
August 1, 2017
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